CN104401610A - Self-weight seal oil tank manhole cover - Google Patents
Self-weight seal oil tank manhole cover Download PDFInfo
- Publication number
- CN104401610A CN104401610A CN201410653381.3A CN201410653381A CN104401610A CN 104401610 A CN104401610 A CN 104401610A CN 201410653381 A CN201410653381 A CN 201410653381A CN 104401610 A CN104401610 A CN 104401610A
- Authority
- CN
- China
- Prior art keywords
- manhole
- cover plate
- self
- upper cover
- oil tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000002828 fuel tank Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention relates to a self-weight seal oil tank manhole cover. The self-weight seal oil tank manhole cover comprises a handle fixed on the upper surface of a circular upper cover plate, and is characterized in that an inner ring-shaped rib plate and an outer ring-shaped rib plate which are concentric are fixed on the lower surface of the upper cover plate; at least four threaded through holes are uniformly formed in the circumference of a center circle between two ring-shaped rib plates; screws are arranged in screw holes, and the bottoms of the screws do not exceed the lower surface of the upper cover plate. The radial spacing between the two ring-shaped rib plates is greater than the wall thickness of a manhole upper opening, chamfering is respectively arranged on a wall surface facing the manhole upper opening, and a seal ring is arranged between the lower surface of the upper cover plate and the manhole upper opening. The self-weight seal oil tank manhole cover is simple in design, and the pressure in the unit area of the manhole upper opening acting on the box body can reach a required numerical value by calculating the weight of the upper cover plate and the effective sealing area of the manhole upper opening in the box body, so that the upper cover plate is sealed on a manhole in virtue of self weight, and the sealing is safe and reliable. The self-weight seal oil tank manhole cover is convenient for processing and assembling and convenient and time-saving for disassembling; the self-weight seal oil tank manhole cover is popularized and promoted, so that the work time of operators is reduced, and the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of tank cover.
Background technology
Fuel tank needs usually arrange manhole cover, be convenient to people and enter periodic cleaning fuel tank internal, require that manhole cover has sealing function simultaneously, prevent impurity and liquid from entering fuel tank and pollute fluid.Traditional manhole cover steel plate is fastened on above the welding manhole flange of casing with multiple bolt, therebetween have packing seal, be pressed against by tools for bolts ' pretension, number of bolts is many, when needing cleaning fuel tank at every turn, all Bolt dismantlings all on manhole cover to be got off and install again.Because these manhole covers often exist corrosion phenomena, the inconvenient and length consuming time of dismounting.Therefore, design a kind of structure simple, sealingly secure is reliable, and process and assemble is convenient, and time-saving fuel tank manhole cover swift to operate is necessary.
Summary of the invention
The present invention is directed to above problem, a kind of deadweight of design leakproof fuel cell manhole cover, the technical solution used in the present invention is as follows: a kind of deadweight leakproof fuel cell manhole cover, comprise the handle that circular upper cover plate upper surface is fixing, its feature is: the lower surface of upper cover plate is fixed with concentric interior annular gusset and outer ring gusset, center circle between these two annular gussets circumferentially uniform at least 4 tapped through holees, screw is placed in tapped through hole and bottom does not exceed the lower surface of described upper cover plate.The quantity being evenly equipped with tapped through hole 5 in present case is 8.Between two annular gussets, radial spacing is greater than manhole wall thickness suitable for reading, is respectively equipped with chamfering towards manhole wall suitable for reading.The diameter of screw 4 is less than radial spacing between two annular gussets.Seal ring be placed in the lower surface of upper cover plate and manhole suitable for reading between.
Structure provided by the invention overcomes the shortcoming of at present existing fuel tank manhole cover, simplicity of design, and sealingly secure is reliable, and process and assemble is convenient, and dismounting is convenient to save time, the work auxiliary time that its penetration and promotion will greatly reduce operating personal, increases work efficiency.
Accompanying drawing explanation
Fig. 1 is fuel tank manhole cover front view of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is fuel tank manhole cover erection plan of the present invention;
Fig. 5 is I enlarged drawing of Fig. 4.
Detailed description of the invention
Can be found out by accompanying drawing, this deadweight leakproof fuel cell manhole cover, comprise the handle 6 of the upper cover plate 1 upper surface welding that round plate is made, it has following feature: the lower surface of upper cover plate 1 is welded with concentric interior annular gusset 7 and outer ring gusset 8, center circle between these two annular gussets circumferentially uniform at least 4 tapped through holees 5, the quantity being evenly equipped with tapped through hole 5 in present case is 8.Screw 4 is placed in described tapped through hole 5 and bottom does not exceed the lower surface of described upper cover plate 1, does not that is twist thoroughly.Between two annular gussets, radial spacing is greater than the wall thickness of manhole suitable for reading 3, and seal ring 2 is placed between the lower surface of upper cover plate 1 and manhole suitable for reading 3, is respectively equipped with chamfering towards manhole 3 walls suitable for reading.The diameter of screw 4 is less than the radial spacing between two annular gussets.
By the upper surface first described seal ring 2 being installed or is bonded at manhole suitable for reading 3 during dress, then upper cover plate 1 seal groove is aimed at seal ring 2 and put down with manhole suitable for reading 3.The area being 3 end faces suitable for reading with manhole due to upper cover plate 1 weight matches, and by calculating the effective sealing area of manhole suitable for reading 3 on the weight of upper cover plate 1 and casing, reaches certain compressive load per unit area, just can ensure that upper cover plate 1 seals by weight compression.Chamfering inside the seal groove formed by outer ring gusset 8 and interior annular gusset 7 is for the ease of aligning with the insertion of manhole suitable for reading 3.Outer ring gusset 8 can prevent particulate matter and liquid from falling into or being splashed into sealing place.When opening manhole cover 1, only need upwards lift-pull handle 6.If upper cover plate 1 and manhole suitable for reading 3 stick together by seal ring 2, upper cover plate 1 and seal ring 2 can be departed from together with manhole suitable for reading 3 by the lower surface that only need be stretched out upper cover plate 1 by the front end being screwed into abutting edge bolt 4 smoothly, after departing from, bolt 4 is return in round plate 5 lower surface, for sealing next time is prepared.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a deadweight leakproof fuel cell manhole cover, comprise the handle (6) that circular upper cover plate (1) upper surface is fixing, it is characterized in that: the lower surface of described upper cover plate (1) is fixed with concentric interior annular gusset (7) and outer ring gusset (8), center circle between described interior annular gusset (7) and outer ring gusset (8) is uniform at least 4 tapped through holees (5) circumferentially, screw (4) is placed in described tapped through hole (5) and bottom does not exceed the lower surface of described upper cover plate (1), between described interior annular gusset (7) and outer ring gusset (8), radial spacing is greater than the wall thickness of manhole (3) suitable for reading, seal ring (2) is placed between the lower surface of described upper cover plate (1) and manhole (3) suitable for reading.
2. one deadweight leakproof fuel cell manhole cover according to claim 1, is characterized in that: described interior annular gusset (7) and outer ring gusset (8) are respectively equipped with chamfering towards manhole (3) suitable for reading wall.
3. one deadweight leakproof fuel cell manhole cover according to claim 1, is characterized in that: the quantity that the center circle between described interior annular gusset (7) and outer ring gusset (8) is circumferentially evenly equipped with tapped through hole (5) is 8.
4. one deadweight leakproof fuel cell manhole cover according to claim 1, is characterized in that: the diameter of described screw (4) is less than radial spacing between described interior annular gusset (7) and outer ring gusset (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653381.3A CN104401610A (en) | 2014-11-17 | 2014-11-17 | Self-weight seal oil tank manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653381.3A CN104401610A (en) | 2014-11-17 | 2014-11-17 | Self-weight seal oil tank manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104401610A true CN104401610A (en) | 2015-03-11 |
Family
ID=52639303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410653381.3A Pending CN104401610A (en) | 2014-11-17 | 2014-11-17 | Self-weight seal oil tank manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401610A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610060A (en) * | 2016-01-14 | 2016-05-25 | 珠海市可利电气有限公司 | Maintenance sealing cover |
| CN115072203A (en) * | 2022-07-28 | 2022-09-20 | 捷达消防科技（苏州）股份有限公司 | Manhole cover structure of liquid storage tank |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595716B1 (en) * | 2000-09-15 | 2003-07-22 | Delaware Capital Formation, Inc. | Cam lever assembly for manhole center |
| US20050244226A1 (en) * | 2004-04-29 | 2005-11-03 | Lacroix Barry | Manhole cover |
| US20070235463A1 (en) * | 2006-03-29 | 2007-10-11 | Wyler Norman C | Manway sealing system |
| CN202201377U (en) * | 2011-08-09 | 2012-04-25 | 西安轨道交通装备有限责任公司 | Manhole cover of railway tank car |
| CN202754346U (en) * | 2012-07-11 | 2013-02-27 | 西安轨道交通装备有限责任公司 | Manhole cover for railway tanker car |
| CN203283679U (en) * | 2013-05-29 | 2013-11-13 | 浙江章达轻工机械厂 | Heat preservation tank with vacuum heat insulation manhole |
| CN203892313U (en) * | 2014-01-13 | 2014-10-22 | 吉林大学 | Opening device for interference fit of end cover and base |
-
2014
- 2014-11-17 CN CN201410653381.3A patent/CN104401610A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595716B1 (en) * | 2000-09-15 | 2003-07-22 | Delaware Capital Formation, Inc. | Cam lever assembly for manhole center |
| US20050244226A1 (en) * | 2004-04-29 | 2005-11-03 | Lacroix Barry | Manhole cover |
| US20070235463A1 (en) * | 2006-03-29 | 2007-10-11 | Wyler Norman C | Manway sealing system |
| CN202201377U (en) * | 2011-08-09 | 2012-04-25 | 西安轨道交通装备有限责任公司 | Manhole cover of railway tank car |
| CN202754346U (en) * | 2012-07-11 | 2013-02-27 | 西安轨道交通装备有限责任公司 | Manhole cover for railway tanker car |
| CN203283679U (en) * | 2013-05-29 | 2013-11-13 | 浙江章达轻工机械厂 | Heat preservation tank with vacuum heat insulation manhole |
| CN203892313U (en) * | 2014-01-13 | 2014-10-22 | 吉林大学 | Opening device for interference fit of end cover and base |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610060A (en) * | 2016-01-14 | 2016-05-25 | 珠海市可利电气有限公司 | Maintenance sealing cover |
| CN115072203A (en) * | 2022-07-28 | 2022-09-20 | 捷达消防科技（苏州）股份有限公司 | Manhole cover structure of liquid storage tank |
| CN115072203B (en) * | 2022-07-28 | 2024-02-06 | 捷达消防科技（苏州）股份有限公司 | Manhole cover structure of liquid storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |